[Clovers East of the Cascade Mountains of Oregon and Washington]

Field Clover, Hop Clover

Trifolium campestre

Synonym: Trifolium procumbens

Inflorescence of Field Clover, Hop Clover: Trifolium campestre (Synonym: Trifolium procumbens)

Close-up of the inflorescence of hop clover as seen at Catherine Creek, Columbia River Gorge.................June 3, 2009.

Trifoliate leaf of Field Clover, Hop Clover: Trifolium campestre (Synonym: Trifolium procumbens)

Close-up of the trifoliate leaf (ventral surface) of hop clover as seen at Catherine Creek, Columbia River Gorge.................June 3, 2009. Note that the blades of the leaflets are broadly oblanceolate and that the pedicel of the middle leaflet is at least twice as long as those of the lateral leaflets, a diagnostic characteristic of this species.

Paul Slichter